Robur · Gas heat pumps

Robur GAHP GS Plus

Ground-source gas absorption heat pumps

Heating capacity: 43.0 kW
Efficiency: GUE 165 %
Energy: Natural gas or LPG + ground
Energy class: A++

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Technical data

Key data

Heating capacity: 43.0 kW
Rating conditions: B0W35
Energy: Natural gas or LPG + ground
Output temperature: Water up to 65 ºC (heating) and 70 ºC (DHW)
Refrigerant: R717 (ammonia)
Efficiency: GUE 165 %
Energy class: A++

Main advantages

GUE of 165 %
Fewer geothermal boreholes needed
Indoor or outdoor installation
Minimal electricity consumption
Natural refrigerant, no fluorinated gases

Models

Robur GAHP GS Plus models

Technical data from the manufacturer's data sheet.

GAHP GS Plus
Model	Unit	Indoor / outdoor
GENERAL DATA
Version / application		Ground-source heat pump: heating and DHW; free or active cooling
Installation location		Indoor and outdoor
Refrigerant (natural, ammonia)		R717
Exempt from the F-Gas regulation		Yes
Hydrogen allowed in gas blend (H2NG Hydrogen Ready)	%	0.2
Seasonal space heating energy efficiency class (ErP), medium-temperature application (55ºC)		A++
Modulation range	%	28 ÷ 100
HEATING AND DHW MODE
Nominal reference conditions (heat source: air, water / outlet hot water)		B0W35
Heat output at nominal reference conditions	kW	43
GUE (gas utilisation efficiency)	%	1.65
Heat input	kW	26
Maximum hot water outlet temperature - heating	°C	65
Maximum hot water outlet temperature - DHW	°C	70
Maximum hot water inlet temperature - heating	°C	55
Maximum hot water inlet temperature - DHW	°C	60
Nominal hot water flow	l/h	3,000
Heating pressure drop at nominal water flow	bar	0.46
Maximum ambient air temperature (dry bulb)	°C	45
Minimum ambient air temperature (dry bulb)	°C	-15
RENEWABLE SOURCE OPERATING CONDITIONS
Heat extracted from the renewable source (B0W35 / W10W35)	kW	16.9
Maximum renewable source return water temperature	°C	45
Minimum renewable source supply water temperature	°C	-5
Nominal renewable source water flow	l/h	3,020
Renewable source pressure drop at nominal water flow	bar	0.57
ELECTRICAL DATA
Supply voltage	V	230
Frequency	Hz	50
Nominal electrical consumption	kW	0.41
Protection rating	IP	25
INSTALLATION DATA
Natural gas G20 consumption (nominal)	m³/h	2.79
LPG G30 consumption (nominal)	kg/h	2.09
LPG G31 consumption (nominal)	kg/h	2.05
Sound pressure Lp at 5 m (maximum)	dB(A)	44.1
Water connection: type		Female (F)
Water connection: thread	in	1 1/4
Gas connection: type		Female (F)
Gas connection: thread	in	3/4
Safety valve discharge connection (indoor version only)	in	1 1/4
Flue outlet diameter (Ø)	mm	80
Dimensions: width	mm	923
Dimensions: height (without flue outlet)	mm	1,280
Dimensions: depth	mm	729
Operating weight	kg	300